Read below for roto-league rankings and reaction.

Roto-league rankings and reaction

Multiple changes dot the top 150 as we approach mid-February, with Kristaps Porzingis and Lonzo Ball falling off the list, a cast of newcomers entering the fray and a bunch of notables seeing their values shift after changing teams last week at the NBA's trade deadline.

What history tells us to expect out of Isaiah Thomas, George Hill, Rodney Hood and Jordan Clarkson in the aftermath of Cleveland's recent trades.

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With minimal significant changes in the top 20 aside from the steady rise of Philadelphia's Ben Simmons -- who is up to No. 18 after averaging 12.4 points, 7.4 rebounds, 7.6 assists, 2.6 steals and 1.2 blocks during his past five games -- the theme this week is the emergence of many lesser-known players.

We're talking about Orlando's emerging young swingman Mario Hezonja (121), who has made 49.5 percent of his shots during the past 10 games while averaging 14.2 PPG and 4.5 RPG.

Also note Washington's fill-in point guard Tomas Satoransky (133), who is in concussion protocol after taking a hit to the head against Chicago over the weekend but has averaged 13.8 PPG, 4.0 APG and 1.8 SPG during the past five games.

Plus, let's not forget Brooklyn's Joe Harris (134), the Virginia product who continues to be a steady source of points, rebounds, assists and 3-pointers on an often-overlooked Nets team.

As far as risers and fallers go, along with Simmons, we have moved Kemba Walker (15), Joel Embiid (16) and Andre Drummond (17) ahead of both Kyrie Irving and (19) and Jrue Holiday (20). This could very well be short-lived, but right now the combination of hot play from Walker, Embiid and Drummond and several lukewarm performances by Irving and Holiday are the reason for the adjustment.

Otto Porter Jr. rises to No. 36 thanks to the way he's stepped up in the absence of John Wall, averaging 18.2 PPG, 6.8 RPG, 3 APG and 1 SPG during the past five games.

Dario Saric continues to move up, climbing to No. 47 thanks to his consistent efforts as a scorer, rebounder and 3-point threat on a Philadelphia team with plenty of offensive options.

Elfrid Payton moves to No. 67 as he gets as new start in Phoenix after falling out of favor in Orlando. His 29 points, 8 rebounds and 5 assists against Golden State on Monday was encouraging for fantasy managers everywhere.

Michael Beasley vaults to No. 85 as he gets more playing time and takes additional shots in the absence of a 7-foot-3 unicorn in the Knicks' frontcourt. Beasley has averaged 33 MPG during the past three games, which is a sign of things to come.

Another one to mention is LA Clippers forward Danilo Gallinari, who jumps to No. 103 thanks to his picking right up where he left off before the glute injury, chipping in 20.2 PPG during his past six games.

On the flip side, Hassan Whiteside's decrease in playing time causes him to slide to No. 39 and Al Horford's reduced production moves him down to No. 48.